openstackDataCollector restart

#!/bin/bash

PATH=/usr/sbin:/usr/bin:/sbin:/bin
VAR=$(ps aux | grep python | grep openstackDataCollector | grep -v bash | grep -v grep | awk '{print $2}')
#echo "$VAR"

if [[ "$VAR" == '' ]]; then
    echo "OpenstackDataCollector failed. Restarting..."
    /usr/bin/python /opt/fiware/openstackDataCollector.py
fi